Of interest to farmers planting corn is the new Cub 172 planter with corn hopper and fertilizer attachment (shown drilling corn). A similar planter is available for planting cotton and other row crops in the South.

A Zeiss Pulfrich photometer with a sphere reflectometer attachment, is used for measuring reflection from any surface at various wave lengths of light. The machine is used in the laboratory to test detergency by measuring the brightness of scoured...

Mechanical development is one of the most important functions of DuPont's sales development and technical service laboratory at Chestnut Run, near Wilmington, Delaware. The standard packaging machine shown here has been modified to seal Mylar...